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Chile · Atacama Region

M3.9 Earthquake near Freirina, Atacama Region (Chile)

UTC time: 2026-09-20 10:18:00 UTC Local time: —

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About this earthquake

A magnitude M3.9 earthquake was recorded near Freirina, Atacama Region (Chile) on September 20, 2026 at 10:18 UTC. With a focal depth of about 43 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Chile: over the past 24 hours, QuakeMap24 logged 31 earthquakes, the strongest at M4.2.

Details

ID
50c96037e2a26514b792cf2e103d594d28e9b38d
Magnitude
M3.9
Depth
42.7 km
UTC time
2026-09-20 10:18:00 UTC
Local time
—
Country
Chile
State
Atacama Region
City
Freirina
County
Provincia de Huasco
Source
emsc
Coordinates
-28.84000, -71.27000
Temperature
12.9°C

Depth profile

Depth profile Depth: 42.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 42.7 km
Shallow
42.7 km
42.7 km — shallower than the regional average (99.5 km)
Regional average: 99.5 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Solo, El
    Distance: 317 km ·Stratovolcano ·Elevation: 6'205 m ·Chile-Argentina
  • Tipas
    Distance: 323 km ·Complex ·Elevation: 6'658 m ·Argentina
  • Ojos del Salado, Nevados
    Distance: 330 km ·Stratovolcano ·Elevation: 6'879 m ·Last eruption: 750 ·Chile-Argentina
  • Incahuasi, Nevado de
    Distance: 355 km ·Stratovolcano(es) ·Elevation: 6'638 m ·Chile-Argentina
  • Falso Azufre
    Distance: 364 km ·Complex ·Elevation: 5'906 m ·Chile-Argentina
  • Nevada, Sierra
    Distance: 373 km ·Complex ·Elevation: 6'173 m ·Chile-Argentina

Atacama Region

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 45 Catalogue entries

Of 44 other entries for this area and period, 8 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Chile

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Country statistics · Chile

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